LGMG AR14J Maintenance Manual
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LGMG AR14J Maintenance Manual

Articulated boom mobile elevating work platform
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Maintenance Manual
△
Warning
!
Before operation and maintenance, the
drivers and service personnel shall
always read and thoroughly understand
all information in this manual. Failure to
do so may result in, fatal accidents or
personal injury.
This manual must be kept with this
machine at all times.
Mobile Elevating Work Platform
LINGONG HEAVY MACHINERY CO., LTD.
AR14J/AR16J
Articulated Boom

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Summary of Contents for LGMG AR14J

  • Page 1 Maintenance Manual AR14J/AR16J Articulated Boom Mobile Elevating Work Platform △ Warning Before operation and maintenance, the drivers and service personnel shall always read and thoroughly understand all information in this manual. Failure to do so may result in, fatal accidents or personal injury.
  • Page 2 Third edition and printed for the first time in July 2022 Lingong Heavy Machinery Co., Ltd. Add: 12th Floor, Building 3, Lushangguoaocheng, 9777 Jingshi Road, Lixia District, Jinan, China Tel: 86-0531-67605017 Fax: 86-0531-67605017 Technical service: 86-0531-67605017 Web: www.LGMG.com.cn Accessories sales: 86-0531-67605016...

  • Page 3: Table Of Contents

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Contents Foreword ..................... II Safety Precautions ..................III Chapter 1 Maintenance ................1 1.1 Compliance and Obedience .............. 3 1.2 Checking the Safety Manual ............. 3 1.3 Check for Labels and Signs .............. 3 1.4 Check for Damaged, Loose or Missing parts ........

  • Page 4: Foreword

    Mobile Elevating Work Platform Foreword Thank you for choosing to use this Mobile Elevating Work Platform from LGMG. This machine is designed according to AS/NZS1418.10:2011+A1:2017.The information specified in this manual is intended for the safe and proper operation of this machine for its’ intended purpose.

  • Page 5: Safety Precautions

    The operation & maintenance prevention measures listed in this manual are only applicable to the specified uses of this machine. LGMG assumes no responsibility if this machine is used beyond the range of this manual. The user and the operator shall be responsible for the safety of such operations.

  • Page 6: Chapter 1 Maintenance

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Chapter 1 Maintenance...
  • Page 7 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform...

  • Page 8: Compliance And Obedience

    Maintenance Symbols LGMG. The following symbols are used in this manual to help convey relevant meanings in the 1.3 Check for Labels and instructions. When one or more symbols are...

  • Page 9: Check Hydraulic Oil Level

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Check for damaged parts for the whole Specification platform, and check for incorrect installation missing parts components, Oil type Remark temperature including: The lowest L-HV32 Low  Electrical components, wirings and cables temperature＞...

  • Page 10: Check For Batteries

     Check the wiring of the battery cable. by the LGMG can be used. The wiring is firm and free from  Do not replenish the battery with corrosion. ...

  • Page 11: Check For Tires And Hubs

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform It is important for safe operation and good 2) Check if the hubs are damaged, bent or cracked. machine performance to keep the wires in good 3) Check whether or not the technological conditions.

  • Page 12: Check For Exhaust Cover Of Hydraulic Oil Tank

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform  Repeat this step for each reducer. Color: oil should be a clear, light-honey colored. Oil viscosity brand  Condition Appearance: oil should be clear and not API GL-5 cloudy or visibly distorts the view through 30°C＜The lowest 85W/140 the sight glass or container.

  • Page 13: Replacing The Return Filter Of Hydraulic Tank

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform  Locate the pin grease nipple at the triangle Figure 1-4 bracket assembly. Description Tightening torque  Fill grease until grease spills on both sides Oil return flange bolt 28± 3 N.m of the triangle bracket assembly.

  • Page 14: Replacing The Air Cleaner

    2) Install a new air cleaner. 1.17.1Maintenance before Delivery △ 1.17 Maintenance of Notice: It refers to the lubrication worm-Type Slewing Drive of the LGMG platform for working at heights before delivery. There are three positions to be lubricated on the worm-type slewing drive assembly, i.e.,...

  • Page 15: Replacement Of The Gear Oil Of Reducer

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Position 3: Lubrication of the tapered roller 1.18 Replacement of the Gear bearing: the tapered roller bearing is full and does not need to be lubricated again. Oil of Reducer 1.17.2 Market Maintenance It is available in the first 50 hours, and it will be Position I: Lubrication of the roller path: replaced every 1,000 hours or a year.
  • Page 16 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform two years, whichever comes first. △ ! Risk of part damage. Do not start Changing hydraulic oil and replacing the filter are crucial for superior performance and service the engine when the ball valves of the life of the machine.

  • Page 17: Engine Maintenance -Deutz

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform open the two ball valves of the △ hydraulic tank and inject oil to the Do not operate on running pump. engines! No smoking and open fires! △ Be careful when contacting with high CAUTION: When installing the temperature engine oil.
  • Page 18 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Fill up to the maximum liquid level if necessary. △ Danger of burn, be careful of 1.20.2 Replacement of Engine Oil and Filter high-temperature engine parts and oil, contacting with high temperature △...
  • Page 19 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Warm up and run the engine (engine oil 1.20.3 Check for Fuel Leakage temperature> 80℃). Place the engine horizontally. △ The engine must be shut down! 10) Check the engine oil level and fill it if necessary.
  • Page 20 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Shut off the fuel supply to the engine (with keeps away from the heater, spark, flame and burning tobacco. A qualified high-level tank). fire extinguisher shall be placed at the Place suitable collecting containers...
  • Page 21 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform personnel from entering the area and strictly △ prohibit operating the equipment. Repair the There is danger of explosion and leak immediately. fire. The fuel of the engine is 1.20.5 Replacement of the Fuel combustible.
  • Page 22 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform △ △ Perform this step when the Do not clean the filter element (4) engine is turned off. with gasoline or high temperature liquid. If the primary element is stained heavily, replace it soon.
  • Page 23 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform the filter element (4). 1.20.9 Filling or Replacement of 3) Filter element (4): For slight contamination, Engine Coolant purge with dry compressed air (maximum 205 Kpa) from inside to outside for cleaning Replace it every 2,000 hours or two years.

  • Page 24: Regular Maintenance

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform necessary. 2) Move the engine in direction B, until the belt is lose. △ 3) Remove the old belt, and install a mew one. Note: The coolant with different 4) Move the engine in direction A until the freezing point should be selected correct belt tension is reached.

  • Page 25: Engine Fault Table

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform 1.22 Engine Fault Table Faults Cause Measures Not disconnected (if possible) Check coupling Fuel tank empty Tanks Fuel suction pipe blocked Check Below starting limit temperature Check Cold starting device Check/replace Wrong SAE viscosity class of the engine Change the lubricating oil lubricating oil...
  • Page 26 Exhaust gas backpressure too high Check/clean Exhaust gas turbocharger defective Change Engine performs poorly and Engine electronics reduce performance Please contact your LGMG partner diagnostic lamp lights Injection line leaks Check injection line Injector defective Change Engine does not run on all...

  • Page 27: Engine Fault Codes

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Check lube oil level, if necessary drain Lube oil level too high Engine lubricating Check engine mounting reduce consumption Excessive inclination of engine inclination excessive Crankcase breather Check/replace Engine operated continuously with too low Check load factor a load (<...
  • Page 28 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Charge air pressure measured by sensor is above the warning threshold. Charge air pressure measured by sensor is above shut off threshold. Coolant temperature sensor: The voltage of the sensor measured by ECU is out of the target range Coolant temperature sensor: The voltage of the sensor measured by ECU is out of the target range.
  • Page 29 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Camshaft speed sensor: The ECU receives no signal and uses the signal from camshaft speed sensor as alternative to calculate the engine speed. Offset angle between crank- and camshaft-sensor is too large Sensor crankshaft detection.
  • Page 30 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform target range Injector cylinder 6: The current drop measured by ECU is above the target range. Detecting an open load fault in the metering unit of the fuel system 523615 Fuel metering unit: The current drain measured by ECU is above 523615 the target range Fuel metering unit: The current drain measured by ECU is above...
  • Page 31 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Rail pressure out of tolerance range. 523470 The PRV can not be opened at this operating point with a pressure shock. The pressure relief valve (PRV) has reached the allowed opening 523009 time ECU detects open load on the electric fuel feed pump output...
  • Page 32 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Starter relay low side short circuit to ground Internal hardware monitoring: the CPU of the ECU is reset and the 523612 cause is logged internally; no item will be created in error memory Internal hardware monitoring: the CPU of the ECU is reset and the 523612 cause is logged internally;...
  • Page 33 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Fuel low pressure pump; error pressure build up 1505 524057 Timeout error of CAN-Transmit-Frame ComEGRMsFlw (EGR 1668 524105 Steller) Timeout error of CAN-Transmit-Frame ComEGRTVActr (EGR 1669 524108 actuator) Timeout error of CAN-Transmit-Frame ComETVActrTO. 1670 524110 Timeout ComIntake Throttle Valve Actr.

  • Page 34: Routine Inspection And Maintenance Intervals

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform 1.24 Routine Inspection and Maintenance Intervals △ Note: The working hours are based on the engine working time, and the operation cycle is calculated from the date of production. Maintenance period Maintenance Routine Level 2...
  • Page 35 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform generally. Change coolant Every 2000h or every two years, whichever comes first. Check the battery for ● undervoltage Check if the battery ● terminals are loose or rusted Check the color of the ●...
  • Page 36 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Check if the oil cylinder ● leaks oil Check if the valve ● spools leak oil Check if the two ball valves at the suction ● port at the bottom of the hydraulic tank are open Check if the walking oil ●...
  • Page 37 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform the slider and the boom Check the turntable Torque:380± ● rotation bearing bolts 40N.m Lithium-bas Lubricate the slewing ● ● ● ● ● ed grease bearing Grease the slewing Lithium-bas Lubricatio ●...

  • Page 38: Chapter 2 Schematic Diagram

    Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Chapter 2 Schematic Diagram...
  • Page 39 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform...
  • Page 40 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Electrical schematic diagram...
  • Page 41 Maintenance Manual of Articulated Boom Mobile Elevating Work Platform Hydraulic schematic diagram...
  • Page 42 Maintenance Manual of Mobile Elevating Work Platform...

This manual is also suitable for:

Ar16j

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